Shelly
Water leak sensor for detecting unwanted water.
For a direct Matter over Wi-Fi device, use a compatible Matter controller and the Wi-Fi network required by the manufacturer. A Thread Border Router is not required for its Wi-Fi connection.
Manufacturer app features and Matter features can differ. Confirm which functions your Matter platform supports, along with the required firmware, local electrical requirements and regional version.
A verified regional configuration is not recorded. A country in a product name does not confirm shipping, compliance or an exact SKU.
Not established. Prices are observations for the listed configuration; shipping and taxes may vary.
Seller: Shelly official store
Configuration: Shelly Flood S Gen4
SKU: FG3800238073701
Price observed: Nov 4, 2026
Listed as in stock when checked; confirm with seller.
Observed for the named configuration on the linked store page. Shipping, taxes and delivery eligibility require confirmation.
Water Leak
These describe the product. They are not a guarantee that every function is exposed through Matter.
A matching CSA certified revision explicitly lists Wi-Fi. Certification applies to its recorded revision; confirm the retail SKU, hardware and firmware before ordering.
Product research reviewed: Nov 4, 2026. This date does not mean that a price or stock level was checked.
CSA25430MAT45954-24
Software version: 1.3.0-s1
Matter specification: 1.3.0
Interfaces listed in certification: wi-fi,bluetooth
View CSA record ↗Dimensions
23x77 mm / 0.91x3.03 inch
Shelly Flood S Gen4 | Smart Water Leak Sensor with Wi-Fi & Zigbee | Shelly Europe ↗Reviewed Nov 4, 2026Weight
50 g / 1.76 oz (without battery); 70 g / 2.47 oz (with battery)
Shelly Flood S Gen4 | Smart Water Leak Sensor with Wi-Fi & Zigbee | Shelly Europe ↗Reviewed Nov 4, 2026